參數(shù)資料
型號: LH7A400N0E000
廠商: Sharp Corporation
英文描述: 32-Bit System-on-Chip
中文描述: 32位系統(tǒng)級芯片
文件頁數(shù): 4/53頁
文件大?。?/td> 446K
代理商: LH7A400N0E000
LH7A400
32-Bit System-on-Chip
4
12/8/03
Preliminary Data Sheet
R11
N12
P12
T11
D3
P12
M10
R13
N11
E4
VDDA
Analog Power for PLL
VSSA
Analog Ground for PLL
nPOR
Power On Reset
User Reset; should be pulled HIGH for normal or
JTAG operation.
Wake Up
Power Fail Signal
External Power
14.7456 MHz Crystal Oscillator pins. An external
clock source can be connected to XTALIN leav-
ing XTALOUT open.
32.768 kHz Real Time Clock Crystal Oscillator
pins. An external clock source can be connected
to XTAL32IN leaving XTAL32OUT open.
External Oscillator Clock Enable Output
Programmable Clock (14.7456 MHz MAX.)
Asynchronous Memory Chip Select 0
Asynchronous Memory Chip Select 1
Asynchronous Memory Chip Select 2
Asynchronous Memory Chip Select 3
MultiMediaCard SPI Mode Chip Select
Input
Input
H6
D1
nURESET
Input (Schmitt) Input
D4
E4
C2
E2
F2
D2
WAKEUP
nPWRFL
nEXTPWR
Input (Schmitt) Input
Input (Schmitt) Input
Input (Schmitt) Input
R13
R14
XTALIN
Input
Input
T13
R15
XTALOUT
LOW
LOW
P16
N14
XTAL32IN
Input
Input
P15
M13
XTAL32OUT
Output
Output
P14
J6
K11
K10
P13
M12
J5
P14
P16
N15
CLKEN
PGMCLK
nCS0
nCS1
nCS2
nCS3/
nMMSPICS
LOW
LOW
HIGH
HIGH
HIGH
LOW
LOW
HIGH
HIGH
HIGH
8 mA
8 mA
12 mA
12 mA
12 mA
M12
N16
HIGH: nCS3
HIGH
12 mA
Table 1. Functional Pin List (Cont’d)
PBGA
PIN
CABGA
PIN
SIGNAL
DESCRIPTION
RESET
STATE
STANDBY
STATE
OUTPUT
DRIVE
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